Discuss both views and give your opinion: 针对这种类型的题目，最重要是先想好自己的明确观点，一定不能含含糊糊地来进行两个观点的论证。第一种观点：虽然但是1). 2016.10.13 task2：Some people think that we should send messages to contact intelligent lives on other planets, while others say that it is dangerous to do so. Discuss both views and give your opinion. Many people have conflicting views as to the question of whether we should send signals to contact aliens many light years away from the Earth. In my opinion, although the attempt to search and contact intelligent aliens may bring us some positive changes, we are far from being prepared to do so. On the one hand, from the perspective of some optimists, there may be great benefits to connecting alien life forms. It is likely that our neighbours in space would lend us their far more advanced technologies to solve a series of problems on the Earth. For example, environmental pollution could be eradicated and life-threatening diseases could be cured if we are technologically improved by our alien friends. Whats more, with their help and assistance, human beings may be able to make a significant step forward to live beyond the Earth. This means that we would no longer be afraid of facing any catastrophe that might destroy our home planet. On the other hand, advocates of contacting extraterrestrial life may be overly optimistic and doing so leads to a higher possibility of endangering human beings. The first reason is that the Earth may be attacked by intelligent lives from the outer space. This is because they may not be as friendly as we expect. In possession of far more powerful technology and with hostile intentions, aliens we manage to contact would rob us of our resources and even enslave us. In addition, even if these alien visitors were friendly, their visit to us would still lead to disasters, as they may come along with viruses and germs not existing on the Earth. In conclusion, I admit that our curiosity for the existence of other intelligent lives has been there for centuries, but I do not agree that we should let them know where the Earth is now until we are technologically prepared to face all possibilities. 2). Some people think that in the modern world we are more dependent on each other, while others think that people have become more independent. Discuss both views and give your own opinion. People have different views about whether we are more or less dependent on others nowadays. In my view, modern life forces us to be more independent than people were in the past. There are two main reasons why it could be argued that we are more dependent on each other now. Firstly, life is more complex and difficult, especially because the cost of living has increased so dramatically. For example, young adults tend to rely on their parents for help when buying a house. Property prices are higher than ever, and without help it would be impossible for many people to pay a deposit and a mortgage. Secondly, people seem to be more ambitious nowadays, and they want a better quality of life for their families. This means that both parents usually need to work full-time, and they depend on support from grandparents and babysitters for child care. However, I would agree with those who believe that people are more independent these days. In most countries, families are becoming smaller and more dispersed, which means that people cannot count on relatives as much as they used to. We also have more freedom to travel and live far away from our home towns. For example, many students choose to study abroad instead of going to their local university, and this experience makes them more independent as they learn to live alone. Another factor in this growing independence is technology, which allows us to work alone and from any part of the world. In conclusion, while there are some reasons to believe that people now depend on each other more, my own view is that we are more independent than ever.3). Nowadays animal experiments are widely used to develop new medicines and to test the safety of other products. Some people argue that these experiments should be banned because it is morally wrong to cause animals to suffer, while others are in favour of them because of their benefits to humanity. Discuss both views and give your own opinion.It is true that medicines and other products are routinely tested on animals before they are cleared for human use. While I tend towards the viewpoint that animal testing is morally wrong, I would have to support a limited amount of animal experimentation for the development of medicines. On the one hand, there are clear ethical arguments against animal experimentation. To use a common example of this practice, laboratory mice may be given an illness so that the effectiveness of a new drug can be measured. Opponents of such research argue that humans have no right to subject animals to this kind of trauma, and that